Full-Time

Software Engineer 3

React

JP Morgan Chase

JP Morgan Chase

10,001+ employees

Global financial services with diversified offerings

No salary listed

London, UK

In Person

London, United Kingdom. Must be eligible to work in the UK.

Category
Software Engineering (1)
Required Skills
JavaScript
React.js
Software Testing
GraphQL
REST APIs

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Requirements
  • Formal training or certification on JavaScript concepts and proficient applied experience
  • Ability to write testable, clean JavaScript code
  • Proficiency in React framework
  • Familiarity with writing unit tests
  • Understanding of REST APIs and GraphQL
  • Ability to work in a dynamic, agile environment within a geographically distributed team
  • Ability to focus on promptly addressing customer needs
  • Excellent written and verbal communication skills in English
  • Hands-on experience using enterprise-authorized AI-assisted software development tools within the work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security.
  • Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; ability to guide peers on safe and effective usage within team practices.
Responsibilities
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Create and maintain clean, efficient, and reusable codebase.
  • Conduct thorough testing to ensure robustness and reliability of applications.
  • Troubleshoot and debug issues, ensuring smooth application functionality.
  • Communicate effectively with stakeholders to gather requirements and provide progress updates.
  • Mentor junior developers, providing guidance on best practices and code reviews.
  • Stay updated with the latest industry trends and best practices in mobile development.
  • Drive continuous improvement initiatives to enhance development processes and workflows
  • Leverages enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve broader team effectiveness.
  • Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation.
Desired Qualifications
  • Building applications using React Native in TypeScript or JavaScript
  • Native application development across Android / iOS in Kotlin / Swift
  • Comfortable working with projects partially or fully using TypeScript
  • Using latest React features such as Suspense and Hooks
  • End to end testing applications with Detox / Appium / WebdriverIO
  • End to end testing applications with Detox / Appium / WebdriverIO / Playwright
  • Extensive experience in modern web development, including responsive design and performance optimization
  • Hands-on experience with design systems, component libraries, and implementing consistent UI/UX across large-scale applications

A global financial services firm offering investment banking, asset management, private equity, financial services, and consumer banking to individuals and institutions. It works by providing advisory, lending, trading, and financing services through a worldwide network, earning revenue from interest, fees, and trading commissions, and using its data and the JPMorgan Chase Institute to analyze economies. It stands apart from peers due to its size, full-range services across consumer and corporate markets, extensive market access, and in-house data-driven insights. Its goal is to deliver comprehensive financial products with integrity and growth while supporting clients and communities through data-backed analysis and targeted programs.

Company Size

10,001+

Company Stage

IPO

Headquarters

New York City, New York

Founded

1959

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Simplify Jobs

Simplify's Take

What believers are saying

  • JPMorgan earned $21.2 billion in Q2 2025, leading five major US banks in profit.
  • AI automates multistep workflows targeting $2 billion in annual savings by 2025.
  • Revenue surged 27% to $58 billion in Q2 2026, beating analyst estimates by 13%.

What critics are saying

  • New DOJ emails trigger Senate scrutiny over Dimon's knowledge of Epstein's 1998-2013 client status.
  • Epstein victims may reopen liability lawsuits despite prior $290 million and $75 million settlements in 2023.
  • Governance failures linked to Epstein ties could trigger regulatory penalties and negative media cycles within 12-18 months.

What makes JP Morgan Chase unique

  • Proprietary LLM Suite deployed to 230,000 employees drives 30-40% efficiency gains.
  • OmniAI platform enables real-time fraud detection saving nearly $1.5 billion cumulatively.
  • Ranked first on Evident AI Index for banking AI maturity for four consecutive years.

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Benefits

Health Insurance

Flexible Work Hours

Paid Sick Leave

Paid Holidays

Growth & Insights and Company News

Headcount

6 month growth

-5%

1 year growth

-5%

2 year growth

-5%
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